local mixed = {
    1,
    2,
    name = "Lua",
    [5] = 5,
    6,
    7
}
for i, v in ipairs(mixed) do -- 输出：1, 2
    print(i, v)
end
print("\n")
for k, v in pairs(mixed) do -- 输出：1, 2, name="Lua", 5=5
    print(k, v)
end
